Vanuranylite Mineral Data + Say VANURANYLITE


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General Vanuranylite Information
Help on Chemical Formula: Chemical Formula: (H3O,Ba,Ca,K)1.6(UO2)2V2O8·4(H2O) (?)
Help on Composition: Composition: Molecular Weight = 894.90 gm
   Potassium   0.44 %  K     0.53 % K2O
   Barium      3.07 %  Ba    3.43 % BaO
   Calcium     0.45 %  Ca    0.63 % CaO
   Uranium    53.20 %  U    60.35 % UO2
   Vanadium   11.38 %  V    20.32 % V2O5
   Hydrogen    1.25 %  H    11.17 % H2O
   Oxygen     30.21 %  O
             ______        ______ 
             100.00 %       96.42 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: (H3O)1.3Ba0.2Ca0.1K0.1(UO2)2V5+2O8·3.6(H2O)
Help on Environment: Environment: In the oxidation zone of a lead-bearing U-V deposit in sandstone.
Help on IMA Status: IMA Status: Discredited IMA 1968
Help on Locality: Locality: Mounana uranium mine, Franceville, Gabon. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1965 for the composition (VANadium, URanium, and Aluminum).
Help on Synonym: Synonym: Discredited
 

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Vanuranylite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.2532:1:2.4133
Help on Cell Dimensions: Cell Dimensions: a = 10.49, b = 8.37, c = 20.2, Z = 4; beta = 90° V = 1,773.59 Den(Calc)= 3.35
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c ?
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.23(1), 5(1), 2.11(0.8),
 

Physical Properties of Vanuranylite

Help on Cleavage: Cleavage: [100] Perfect
Help on Color: Color: Intense yellow.
Help on Density: Density: 3.644
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 2 - Gypsum
Help on Streak: Streak: light yellow
 

Optical Properties of Vanuranylite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.308 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.423 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2478,KPDmeas= 0.2278,KC= 0.1742
Help on Optical Data: Optical Data: Biaxial (-), a=1.65-1.71, b=1.85-1.92, g=1.9-1.95, bire=0.2400-0.2500, 2V(Calc)=36-48, 2V(Meas)=44. Dispersion r < v weak.
Help on Pleochroism (x): Pleochroism (x): pale yellow.
Help on Pleochroism (y): Pleochroism (y): yellow.
Help on Pleochroism (z): Pleochroism (z): yellow.
 

Calculated Properties of Vanuranylite

Help on Electron Density: Electron Density:

relectron=3.19 gm/cc
note: rVanuranylite =3.64 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.00973
Boson Index = 0.99027
Help on Photoelectric: Photoelectric:

PEVanuranylite =1,396.34 barns/electron
U=PEVanuranylite x relectron=4,450.85 barns/cc.
Help on Radioactivity: Radioactivity:

GRapi = 3,966,375.89 (Gamma Ray American Petroleum Institute Units)

Vanuranylite is Radioactive as defined in 49 CFR 173.403. Greater than 70 Bq / gram.

Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 10 cm box) 7.67 ± 1.92 grams of pure Vanuranylite .
Estimated Maximum U.S. Postal Shipping Size (10 mRem/hr limit, Unshielded 100 cm box) 766.86 ±191.72 grams of pure Vanuranylite .

Estimated Radioactivity from Vanuranylite - very strong
Specimen
Size
Weight/Volume
(Sphere) *		 Calculated
Activity
Bequerols
(Bq)		 Calculated
Activity
Curies (Ci)		 Estimated
Activity
GR(api)		 Estimated
Exposure
(mRem**)/hr
If Held in Hand
For One Hour
1000 gm / 8.06 cm 95,222,136 2.57E-03 3,966,375.89 1,304.01
100 gm / 3.74 cm 9,522,214 2.57E-04 396,637.59 130.40
10 gm / 1.74 cm 952,221 2.57E-05 39,663.76 13.04
1 gm / 8.06 mm 95,222 2.57E-06 3,966.38 1.30
0.1 gm / 3.74 mm 9,522 2.57E-07 396.64 0.13
0.01 gm / 1.74 mm 952 2.57E-08 39.66 0.01
0.001 gm / 0.81 mm 95 2.57E-09 3.97 0.00

Weight of pure Vanuranylite in grams (gm) and Calculated Diameter of a Sphere with a Density of 3.64 gm/cc.*
Goverment Estimate of Average Annual Exposure ( 360 mRem) **
Note: 10 microsieverts/hr = 1 mRem/hr **
Max Permissable Adult Dose 50,000 mRem/yr (hands), 15,000 mRem/yr (eyes)
Lethal Dose LD(50) Exposure 400,000 to 500,000 mRem
 

Vanuranylite Classification
Help on Dana Class: Dana Class: 40.2a.30.1 (40)Hydrated Phosphates, etc
  (40.2a)where A++ (B++)2 (XO4) · x(H2O), containing (UO2)++
  (40.2a.30)Dana Group
 
40.2a.30.1 Vanuranylite ? (H3O,Ba,Ca,K)1.6(UO2)2V2O8·4(H2O)(?) C 2/c ? 2/m
Help on Strunz Class: Strunz Class: VII/E.11-70 VII - Phosphates, Arsenates and Vanadates
  VII/E - Uranylphosphates and uranylvanadates with: [UO2]2+ - [PO4 | AsO4]3- and [UO2]2+ - [V2O8]6-, uranyl-groupvanadates with [UO2]2+ - [V2O8]6-
  VII/E.11 - Tyuyamunite series
 
VII/E.11-10 Vanuralite Al(UO2)2(VO4)2(OH)·11(H2O) A2/a 2/m
 
VII/E.11-20 Metavanuralite Al(UO2)2(VO4)2(OH)·8(H2O) P 1or P1 Tri
 
VII/E.11-30 Sengierite Cu2(UO2)2V2O8·6(H2O) P 21/a 2/m
 
VII/E.11-40 Strelkinite Na2(UO2)2V2O8·6(H2O) Pnmm,Pnm2 Ortho
 
VII/E.11-50 Carnotite K2(UO2)2V2O8·3(H2O) P 21/a 2/m
 
VII/E.11-60 Margaritasite (Cs,K,H3O)2(UO2)2V2O8·(H2O) P 21/a 2/m
 
VII/E.11-70 Vanuranylite (H3O,Ba,Ca,K)1.6(UO2)2V2O8·4(H2O)(?) C 2/c ? 2/m
 
VII/E.11-80 Tyuyamunite Ca(UO2)2V2O8·5-8(H2O) Pnan 2/m 2/m 2/m
 
VII/E.11-90 Metatyuyamunite Ca(UO2)2V2O8·3(H2O) Pnam 2/m 2/m 2/m
 
VII/E.11-100 Francevillite (Ba,Pb)(UO2)2V2O8·5(H2O) Pcan 2/m 2/m 2/m
 
VII/E.11-110 Curienite Pb(UO2)2V2O8·5(H2O) Pcan 2/m 2/m 2/m
 

Other Vanuranylite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic4)
Help on See Also: See Also: Links to other databases for Vanuranylite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - Uranium Minerals

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Print or Cut-and-Paste your Vanuranylite Specimen Label here :

Vanuranylite

(H3O,Ba,Ca,K)1.6(UO2)2V2O8·4(H2O) (?)
Dana No: 40.2a.30.1 Strunz No: VII/E.11-70
Locality:

 

Notes:

 
 
   
 
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